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Adding license after trial for toolbox in home license use
Just simply call them on the phone to have this resolved in a few minutes.

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Why do i get a figure window that is completely blank
I have found out that if youi used App Designer to make a figure with some axes on it and then you do something like "hold on" o...

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Xlim error in App designer
You need to debug your program. See Debugging in MATLAB | Doug's MATLAB Video Tutorials After that, when you see an error tha...

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Listener not responding to ui slider
If you use AppDesigner then you can use the "Value changing" event to do an instantaneous/live updating of the displayed value. ...

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matlab程序闪退，Segmentation violation detected
When did this error occur? I got a very similar crash today (Access Violation, MATLAB needs to close) and it turned out it was ...

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How to join two images from end to end using matlab and what course of matlab I should learn for that?
Just stitch the images together using commas and brackets: % Stitch side-by-side wideImage = [image1, image2, image3, image4];...

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I want to connect the ends of the white contour in the image to form a complete circle, eliminating the gaps.
Here's another way: %----------------------------------------------------------------- % Read in and prepare the sample image....

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Matlab not running in garuda linux (very similar to manjaro)
I don't know, but if you do exactly what it says in the FAQ though, you should be up and running. https://matlab.fandom.com/wik...

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draw the missing internal side of points cloud of jug profile
If you write the points into a digital image you could use imdilate (to thicken the wall) then use bwboundaries to get the (x,y)...

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Match name to axis value in chart
How about this: load('matlab_pl.mat') x = pl(:, 1); y = pl(:, 2); stem(x, y, 'Filled', 'LineWidth', 2); grid on; xticklabe...

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Using multiple datasets to fit parameters simultaneously in SimBiology
Maybe I'm misunderstanding what you want to do, but why don't you combine both time vectors into a single time vector which you ...

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Refresh overlaid plots without "hold on/hold off" in each loop iteration
To clear the second set of markers, get a handle to them and call delete sc2 = scatter(x2,y2,'r','Parent',f1); % Create mar...

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automate scatter markers colours in groups
There is a function for exactly that, which makes it easy to color markers by group. It's called gscatter help gscatter

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The requested resource was not found.
See the FAQ and do exactly what it says in there and you should be up and running shortly. https://matlab.fandom.com/wiki/FAQ#A...

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Make calculation on line profile (Intensity) through object on image
To get the size (area), equivalent circular diameter, mean, max, and min intensities of the blob, why not simply threshold and c...

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Plots saved as JPEG look awful. How to improve?
If you're saving an image, use imwrite and save as a PNG format file. If you are saving an image and want the title, axes, and ...

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some variable viewer confusion
I believe you're checking it after you've overwritten it with code later on down in your script. Set a breakpoint on line 9 and...

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How do I fix a "Color data must be an m-by-n-by-3 or m-by-n matrix." error?
Before that image(imdata) line, do this and tell us what you see in the command window: whos imdata If you do that we'll see j...

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Request for MATLAB Code of Elephant Search Algorithm (ESA)
You might find some interesting things in the File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/?q=elephant ...

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polyshape not closing a circle
You might try other ways of drawing the circle. Some might need the image processing toolbox, but try looking at viscircles, po...

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Smooth Results from bwboundaries
If you want to smooth boundaries you can use splines or pchip. I'm attaching demos. Another option if you have a binary im...

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Display a small matrix as a gray scale image
Try using the 'InitialMagnification' option in imshow T2 =[ 0.4706 0.9804 0.8392 0.3216 0.9804 0.8392 ...

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how to remove old licenses
If you can't remove them by logging in to your account on the website, I'd call them on the phone and ask for sales or tech supp...

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Take 3x3 nearest neighbours round centroids of all spots and find the median of their mean
If you've used regionprops to find the centroids or the spots, then why not simply also ask it for the mean intensities? props ...

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Variable might be set by a nonscalar operator
If theta_deg is in degrees, you should be using the degrees version of cosine, not the radian version. In other words use cosd,...

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This erro occurred while cheking the code - "invalid use of operator"
Don't put single quotes around your variables. And you don't need the output arguments of the filenames. You can return the x_...

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Issues extracting fibers from an image
The attached demo, while not a complete solution for you, may be helpful in enhancing the fibers. Sorry, but it's all I have ...

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I want to detect leaf shape by line tracing.
Do a search of this forum for the tag "leaf". There are lots of examples. Basically you can probably segment the code by color...

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Can I generate a standalone app with a trial license
I'm pretty sure you cannot compile code into a standalone app with a trial license. And I think some of the cheaper licenses wo...

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Can I convert shades of red (Pink, Red, Maroon) in this RGB image to one single color, lets say blue?
See attached examples/demos.

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